Simon Dominic, who has been atttracting a wide range of fans not only hip hop listeners but also the public under the many names including Simon Dominic, Simon D, or SsamD since his debut, now restarts solo activity after 2 years. Before releasing the Maxi Single [\ & Only], he announced his huge comeback by pre-releasing the track which has the same name as his real name 'Simon Dominic' and being ranked no.1 on the all online music charts in Korea at the same time.

The title track '\ & Only (feat.Jay Park)' of the Maxi Single shows a harmony of Simon Dominic and Jay Park, who are leading the music label, AOMG, together, that sings the honest story of a man about works and love in a mild and simple way.